fn main() {
    test();
    /*
    println!("Guess the number!");

    println!("Please 输入 your guess.");

    let mut guess = String::new();


    io::stdin()
        .read_line(&mut guess)
        .expect("Failed to read line");

    println!("You guessed: {}", guess);
    */
}

fn test() {
    println!("请输入一个数");
    let mut guess = String::new();
    std::io::stdin().read_line(&mut guess).expect("读取错误");
    println!("您输入了数字{}", guess)
}
